mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-16 21:56:40 -05:00
572 lines
15 KiB
Go
572 lines
15 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package httpcaddyfile
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import (
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"slices"
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"strconv"
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"github.com/caddyserver/certmagic"
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"github.com/mholt/acmez/v2/acme"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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"github.com/caddyserver/caddy/v2/modules/caddytls"
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)
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func init() {
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RegisterGlobalOption("debug", parseOptTrue)
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RegisterGlobalOption("http_port", parseOptHTTPPort)
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RegisterGlobalOption("https_port", parseOptHTTPSPort)
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RegisterGlobalOption("default_bind", parseOptDefaultBind)
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RegisterGlobalOption("grace_period", parseOptDuration)
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RegisterGlobalOption("shutdown_delay", parseOptDuration)
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RegisterGlobalOption("default_sni", parseOptSingleString)
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RegisterGlobalOption("fallback_sni", parseOptSingleString)
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RegisterGlobalOption("order", parseOptOrder)
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RegisterGlobalOption("storage", parseOptStorage)
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RegisterGlobalOption("storage_check", parseStorageCheck)
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RegisterGlobalOption("storage_clean_interval", parseStorageCleanInterval)
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RegisterGlobalOption("renew_interval", parseOptDuration)
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RegisterGlobalOption("ocsp_interval", parseOptDuration)
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RegisterGlobalOption("acme_ca", parseOptSingleString)
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RegisterGlobalOption("acme_ca_root", parseOptSingleString)
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RegisterGlobalOption("acme_dns", parseOptACMEDNS)
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RegisterGlobalOption("acme_eab", parseOptACMEEAB)
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RegisterGlobalOption("cert_issuer", parseOptCertIssuer)
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RegisterGlobalOption("skip_install_trust", parseOptTrue)
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RegisterGlobalOption("email", parseOptSingleString)
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RegisterGlobalOption("admin", parseOptAdmin)
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RegisterGlobalOption("on_demand_tls", parseOptOnDemand)
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RegisterGlobalOption("local_certs", parseOptTrue)
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RegisterGlobalOption("key_type", parseOptSingleString)
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RegisterGlobalOption("auto_https", parseOptAutoHTTPS)
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RegisterGlobalOption("metrics", parseMetricsOptions)
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RegisterGlobalOption("servers", parseServerOptions)
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RegisterGlobalOption("ocsp_stapling", parseOCSPStaplingOptions)
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RegisterGlobalOption("cert_lifetime", parseOptDuration)
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RegisterGlobalOption("log", parseLogOptions)
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RegisterGlobalOption("preferred_chains", parseOptPreferredChains)
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RegisterGlobalOption("persist_config", parseOptPersistConfig)
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}
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func parseOptTrue(d *caddyfile.Dispenser, _ any) (any, error) { return true, nil }
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func parseOptHTTPPort(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var httpPort int
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var httpPortStr string
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if !d.AllArgs(&httpPortStr) {
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return 0, d.ArgErr()
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}
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var err error
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httpPort, err = strconv.Atoi(httpPortStr)
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if err != nil {
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return 0, d.Errf("converting port '%s' to integer value: %v", httpPortStr, err)
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}
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return httpPort, nil
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}
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func parseOptHTTPSPort(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var httpsPort int
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var httpsPortStr string
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if !d.AllArgs(&httpsPortStr) {
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return 0, d.ArgErr()
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}
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var err error
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httpsPort, err = strconv.Atoi(httpsPortStr)
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if err != nil {
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return 0, d.Errf("converting port '%s' to integer value: %v", httpsPortStr, err)
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}
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return httpsPort, nil
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}
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func parseOptOrder(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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// get directive name
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if !d.Next() {
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return nil, d.ArgErr()
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}
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dirName := d.Val()
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if _, ok := registeredDirectives[dirName]; !ok {
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return nil, d.Errf("%s is not a registered directive", dirName)
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}
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// get positional token
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if !d.Next() {
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return nil, d.ArgErr()
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}
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pos := Positional(d.Val())
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// if directive already had an order, drop it
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newOrder := slices.DeleteFunc(directiveOrder, func(d string) bool {
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return d == dirName
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})
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// act on the positional; if it's First or Last, we're done right away
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switch pos {
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case First:
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newOrder = append([]string{dirName}, newOrder...)
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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directiveOrder = newOrder
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return newOrder, nil
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case Last:
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newOrder = append(newOrder, dirName)
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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directiveOrder = newOrder
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return newOrder, nil
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// if it's Before or After, continue
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case Before:
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case After:
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default:
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return nil, d.Errf("unknown positional '%s'", pos)
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}
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// get name of other directive
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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otherDir := d.Val()
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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// get the position of the target directive
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targetIndex := slices.Index(newOrder, otherDir)
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if targetIndex == -1 {
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return nil, d.Errf("directive '%s' not found", otherDir)
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}
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// if we're inserting after, we need to increment the index to go after
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if pos == After {
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targetIndex++
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}
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// insert the directive into the new order
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newOrder = slices.Insert(newOrder, targetIndex, dirName)
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directiveOrder = newOrder
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return newOrder, nil
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}
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func parseOptStorage(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get storage module name
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return nil, d.ArgErr()
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}
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modID := "caddy.storage." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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storage, ok := unm.(caddy.StorageConverter)
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if !ok {
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return nil, d.Errf("module %s is not a caddy.StorageConverter", modID)
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}
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return storage, nil
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}
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func parseStorageCheck(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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if val != "off" {
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return "", d.Errf("storage_check must be 'off'")
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}
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return val, nil
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}
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func parseStorageCleanInterval(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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if val == "off" {
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return false, nil
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}
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dur, err := caddy.ParseDuration(d.Val())
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if err != nil {
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return nil, d.Errf("failed to parse storage_clean_interval, must be a duration or 'off' %w", err)
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}
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return caddy.Duration(dur), nil
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}
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func parseOptDuration(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get duration value
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return nil, d.ArgErr()
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}
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dur, err := caddy.ParseDuration(d.Val())
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if err != nil {
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return nil, err
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}
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return caddy.Duration(dur), nil
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}
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func parseOptACMEDNS(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get DNS module name
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return nil, d.ArgErr()
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}
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modID := "dns.providers." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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prov, ok := unm.(certmagic.DNSProvider)
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if !ok {
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return nil, d.Errf("module %s (%T) is not a certmagic.DNSProvider", modID, unm)
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}
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return prov, nil
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}
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func parseOptACMEEAB(d *caddyfile.Dispenser, _ any) (any, error) {
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eab := new(acme.EAB)
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d.Next() // consume option name
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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for d.NextBlock(0) {
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switch d.Val() {
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case "key_id":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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eab.KeyID = d.Val()
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case "mac_key":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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eab.MACKey = d.Val()
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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return eab, nil
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}
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func parseOptCertIssuer(d *caddyfile.Dispenser, existing any) (any, error) {
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d.Next() // consume option name
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var issuers []certmagic.Issuer
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if existing != nil {
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issuers = existing.([]certmagic.Issuer)
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}
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// get issuer module name
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if !d.Next() {
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return nil, d.ArgErr()
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}
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modID := "tls.issuance." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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iss, ok := unm.(certmagic.Issuer)
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if !ok {
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return nil, d.Errf("module %s (%T) is not a certmagic.Issuer", modID, unm)
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}
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issuers = append(issuers, iss)
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return issuers, nil
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}
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func parseOptSingleString(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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return val, nil
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}
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func parseOptDefaultBind(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var addresses, protocols []string
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addresses = d.RemainingArgs()
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if len(addresses) == 0 {
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addresses = append(addresses, "")
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}
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for d.NextBlock(0) {
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switch d.Val() {
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case "protocols":
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protocols = d.RemainingArgs()
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if len(protocols) == 0 {
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return nil, d.Errf("protocols requires one or more arguments")
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}
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default:
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return nil, d.Errf("unknown subdirective: %s", d.Val())
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}
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}
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return []ConfigValue{{Class: "bind", Value: addressesWithProtocols{
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addresses: addresses,
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protocols: protocols,
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}}}, nil
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}
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func parseOptAdmin(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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adminCfg := new(caddy.AdminConfig)
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if d.NextArg() {
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listenAddress := d.Val()
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if listenAddress == "off" {
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adminCfg.Disabled = true
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if d.Next() { // Do not accept any remaining options including block
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return nil, d.Err("No more option is allowed after turning off admin config")
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}
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} else {
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adminCfg.Listen = listenAddress
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if d.NextArg() { // At most 1 arg is allowed
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return nil, d.ArgErr()
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}
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}
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}
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for d.NextBlock(0) {
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switch d.Val() {
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case "enforce_origin":
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adminCfg.EnforceOrigin = true
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case "origins":
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adminCfg.Origins = d.RemainingArgs()
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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if adminCfg.Listen == "" && !adminCfg.Disabled {
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adminCfg.Listen = caddy.DefaultAdminListen
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}
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return adminCfg, nil
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}
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func parseOptOnDemand(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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var ond *caddytls.OnDemandConfig
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for nesting := d.Nesting(); d.NextBlock(nesting); {
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switch d.Val() {
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case "ask":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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if ond == nil {
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ond = new(caddytls.OnDemandConfig)
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}
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if ond.PermissionRaw != nil {
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return nil, d.Err("on-demand TLS permission module (or 'ask') already specified")
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}
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perm := caddytls.PermissionByHTTP{Endpoint: d.Val()}
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ond.PermissionRaw = caddyconfig.JSONModuleObject(perm, "module", "http", nil)
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case "permission":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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if ond == nil {
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ond = new(caddytls.OnDemandConfig)
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}
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if ond.PermissionRaw != nil {
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return nil, d.Err("on-demand TLS permission module (or 'ask') already specified")
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}
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modName := d.Val()
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modID := "tls.permission." + modName
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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perm, ok := unm.(caddytls.OnDemandPermission)
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if !ok {
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return nil, d.Errf("module %s (%T) is not an on-demand TLS permission module", modID, unm)
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}
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ond.PermissionRaw = caddyconfig.JSONModuleObject(perm, "module", modName, nil)
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case "interval":
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return nil, d.Errf("the on_demand_tls 'interval' option is no longer supported, remove it from your config")
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case "burst":
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return nil, d.Errf("the on_demand_tls 'burst' option is no longer supported, remove it from your config")
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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if ond == nil {
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return nil, d.Err("expected at least one config parameter for on_demand_tls")
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}
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return ond, nil
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}
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func parseOptPersistConfig(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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if val != "off" {
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return "", d.Errf("persist_config must be 'off'")
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}
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return val, nil
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}
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func parseOptAutoHTTPS(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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val := d.RemainingArgs()
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if len(val) == 0 {
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return "", d.ArgErr()
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}
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for _, v := range val {
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switch v {
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case "off":
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case "disable_redirects":
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case "disable_certs":
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case "ignore_loaded_certs":
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case "prefer_wildcard":
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break
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default:
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return "", d.Errf("auto_https must be one of 'off', 'disable_redirects', 'disable_certs', 'ignore_loaded_certs', or 'prefer_wildcard'")
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}
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}
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return val, nil
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}
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func unmarshalCaddyfileMetricsOptions(d *caddyfile.Dispenser) (any, error) {
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d.Next() // consume option name
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metrics := new(caddyhttp.Metrics)
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for d.NextBlock(0) {
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switch d.Val() {
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case "per_host":
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metrics.PerHost = true
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default:
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return nil, d.Errf("unrecognized servers option '%s'", d.Val())
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}
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}
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return metrics, nil
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}
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func parseMetricsOptions(d *caddyfile.Dispenser, _ any) (any, error) {
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return unmarshalCaddyfileMetricsOptions(d)
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}
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func parseServerOptions(d *caddyfile.Dispenser, _ any) (any, error) {
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return unmarshalCaddyfileServerOptions(d)
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}
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func parseOCSPStaplingOptions(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var val string
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if !d.AllArgs(&val) {
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return nil, d.ArgErr()
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}
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if val != "off" {
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return nil, d.Errf("invalid argument '%s'", val)
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}
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return certmagic.OCSPConfig{
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DisableStapling: val == "off",
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}, nil
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}
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// parseLogOptions parses the global log option. Syntax:
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//
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// log [name] {
|
|
// output <writer_module> ...
|
|
// format <encoder_module> ...
|
|
// level <level>
|
|
// include <namespaces...>
|
|
// exclude <namespaces...>
|
|
// }
|
|
//
|
|
// When the name argument is unspecified, this directive modifies the default
|
|
// logger.
|
|
func parseLogOptions(d *caddyfile.Dispenser, existingVal any) (any, error) {
|
|
currentNames := make(map[string]struct{})
|
|
if existingVal != nil {
|
|
innerVals, ok := existingVal.([]ConfigValue)
|
|
if !ok {
|
|
return nil, d.Errf("existing log values of unexpected type: %T", existingVal)
|
|
}
|
|
for _, rawVal := range innerVals {
|
|
val, ok := rawVal.Value.(namedCustomLog)
|
|
if !ok {
|
|
return nil, d.Errf("existing log value of unexpected type: %T", existingVal)
|
|
}
|
|
currentNames[val.name] = struct{}{}
|
|
}
|
|
}
|
|
|
|
var warnings []caddyconfig.Warning
|
|
// Call out the same parser that handles server-specific log configuration.
|
|
configValues, err := parseLogHelper(
|
|
Helper{
|
|
Dispenser: d,
|
|
warnings: &warnings,
|
|
},
|
|
currentNames,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(warnings) > 0 {
|
|
return nil, d.Errf("warnings found in parsing global log options: %+v", warnings)
|
|
}
|
|
|
|
return configValues, nil
|
|
}
|
|
|
|
func parseOptPreferredChains(d *caddyfile.Dispenser, _ any) (any, error) {
|
|
d.Next()
|
|
return caddytls.ParseCaddyfilePreferredChainsOptions(d)
|
|
}
|